Lubricator.



J. HORTON & T. W; KEEN.

LUBRICATOR. APPLIOATION FILED FBB.9, 1912.

Patented July 9, 1912.

I wwmssss -IN,VENTQRS JAMES HORTON, OF MUNI-IALL, AND THOMAS W. KEEN, 0F. SWISSV'ALE, PENN- SYLVANIA.

LUBRICATOR.

Specification of Letters Patent.

Patented July 1912.

Application filed February 9, 1912. Serial No. 876,491.

Munhall and of Swissvale, both in the county of Allegheny and State of Pennsylvania, have invented a new and useful Lubricator, of which the following is a'specification, reference being had to the' accompanying drawings, forming apart of this specification.

Our invention relates to lubricators used in supplying oil or other lubricant to engines or other points of use, and more particularly relates to lubrieators employed in supplying and controlling the supply of lubricant to the interior of gas engine .cylinders.

Heretofore in lubricating gas engine oyl-. nders, part1cularly wlththe large enginesemploying blast furnace gases as fuel, the oil or other lubricant has always been intro duced into the cylinder at times when the reciprocating cylinder piston is not covering the inlet opening or openings through which the lubricant is supplied to the cylinder or in other words the lubricant is spread over the surface of the engine cylinder and the piston is lubricated in passing over the inbricant covered surface of the cylinder.

One object of our invention is to provide a lubricator having novel such cylinders in the form of spray at prethe cylinder and be delivered directly on the wearing faces of the cylinder pistons, rings and in spaces between. J

Another object of our invention is to provide a lubricator of improved construction having novel means whereby the lubricant is delivered in regulated quantities and is caused to travel into and through the lubricator to the engine cylinder or other point of use.

Referring .to the accompanying drawings Figure 1 is a side elevation partly in section showing a lubricator constructed and arranged in accordance with. our invention. Fig. 2 is a sectional elevation, the sect1on beingtaken on the line IIII of Fig. 1.

In the accompanying drawlngs 2 designates the lubricator having a supply chamber 3, and drop chamber 4, a pressure chamher 5 and discharge chamber 6. A short means whereby the lubricant is intermittently supplied to .by the pin 25 to the straps piece of glass tubing l forms the side walls of the drop chamber 4, suitable gaskets being used on its ends by which a ti ht joint is formed and maintained. An inlet 7 is provided, to which the pipe 7 supplying lubricant to the lubricator is secured when the lubricator is put into use. An opening 8 in the diaphragm or partition 9 connects the.

supply chamber 8 with the drop chamber 4 and a needle valve 10 is employed to regulate and control the flow of the lubricant from the chamber 3 into the chamber 4.

The needle valve 10 is provided with a screw threaded stem which extends through the plug or head 11 closing one end of the lubricator, and a gland 12 forms part of the plug 11, so as to prevent leakage to the opening in which thestem of the needle valve extends. A hand wheel 10 is provided on the upper end of the'valve 12 to manipulate the valve in regulating the flow of lubricant into the drop chamber l, the flow being seen through the openings 4." and glass tube t. An opening 13 in the diaphragm or partition 14E separating the drop chamber 4; from the pres sure chamber 5 affords communication between t-hese chambers, and an opening 15 in the lower end of the pressure chamber-5 providesa passage therefrom into the discharge chamber 6.

The pressure inlet opening 16 into the pressure chamber 5 is connected "by means of suitable piping 16 with a source of fluid pressure supply and the outlet opening 17 in the discharge chamber 6 serves to connect the conduit or pipe 17 leading from the dis charge chamber to the intrior of the gas engine cylinder, or other point of use.

The opening 15 connecting the pressure chamber 5 with the discharge chamber 6 is normally closed by means of a disk valve 18, this valve 18 having a downwardly extending stem 19which projects through the plug or head 20, which is screw threaded into the lower end of the lubricator tube. The gland 21 provides means for packing this stem and preventing leakage of the lubricant through the head 20 while permitting the valve 18 and its stem 19 to be reciprocated. Lugs' or ears 22 are provided on the lubricator 2 to mount or secure the lubricator in position when applied for use.

Secured by straps 23 to the lubricator 2 1s a bell c1 ank 24. The bell crank 24 is pivoted 23, and the arm 26 of the bell crank 24 is arranged to engage with thelower end of the valve stem 19.

' The other end of the bell crank is pivoted the cam or eccentric mounted on the gas. engine lay shaft 31.-

. The upper end of the valve 18 is provided with an extension 32 having a reduced portion 33, connecting the disk portion34, the reduced portion 33 and disk 34 extending upwardly into the opening 13 when the valve 18 is in position to close the inlet open ing 15 which connects the pressure chamber; with the discharge chamber 6. The diameter of the valve extension 32 is such that it will close 'the opening 13, which will be closed when thevalve 18-is lifted, so as to out 01f communication between the chambers 4 and 5 while the passage between the cham- 1 bers 5 and 6, remains open in this way preventing gaseous fluid pressure from the chamber 5 entering the drop chamber 4.

' In the operation of our improved lubri-' a cator the outlet opening 17 is connected to the engine cylin er, or otherpoint to which the oil or lubricant is' to be supplied, and

[the inlet opening 16 is connected with a source of fluidpressure supply by suitable piping 16 The inlet 7 to the supply chamher 3 isconnected to a tank, or other container in which a supplyof lubricant is maintained, the lubricant being arranged to flow into the chamber 3 by gravity or under pressure, asis desired. The needle valve 10 i is then adjusted by means of the hand wheel 10% so as to regulate the flow or dropping of the lubricant into the sightfeed drop chamber 4, the glass tube 4 therein enabling the rate of flow being seen in adjusting the needle valve 10. When the engine is started in operation thej 'lay shaft 3l will'be constantly rotating, so that the eccentric 30 in engagement with the anti-friction roller 29 will reciprocate the reach rod 28. The reciprocating movemtnt of the reach rod 28.

rocks orbscillats the bell crank 24, so that with each oscillation of the bell crank its arm 26 engages with the lower endof the valve stem 19 anclcauses it to reciprocate the valve 18 is open the oil or other lubricant collected the chaml er 5 is-forced'out thereof v6 by the fluid pressure constantly maintained in.

valve 18.- When the valve stem 19 is lifted by the arm 26 the-valve 18 is raised so as to momentarily connect. the pressure chamber 5 with the discharge chamber 6. 1 When the The lower end of the reach rod 28,

this chamber and, through the. outlet openmg 17 through the conduit 17 into the engine'cylinder to which the lubricator is applied. When the valve 18 is lifted the valve extension 32 also is raised'so as to close the lower end of the opening 13 connecting the chamber 4 with chamber 5, and in this way prevent fluid pressure entering the chamber 4. The same lifting movement of valve 18 raises the disk portion 34 on the upper end of the valve 18 into the chamber 4. Vhen in this position the lubricant collected in the 7 drop chamber 4 between the valve opening movements will flow by gravity into the annular space then formed by the reduced portion 33 on the valve 18 and the walls of the opening 13. When the bell crank 24 is retracted so as to permit the valve 18 to become seated by gravityand close the opening 15 connecting the chambers 5 and 6, the

disk portion 34 again closes the opening connecting the chambers 4' and 5. The valve extension 32 is lowered by this movement so as to permitoil or other liquid lubricant collected in the annular space formed by the side walls of the opening 13 and the neck 33 to flow by gravity into the chamber 5.

The advantages of our invention will be apparent to those skilled in the art. By

having the separate receiving chamber, drop chamber,- pressure chamber and discharge chamber and having the valve arrangement controlling the several chambers by which communication is shut oii' between the drop chamber and the pressure chamber a regu lated and uniform amount of lubricant is constantly supplied to the cylinder. The, apparatus is simple and is easily kept in repair.

Modifications in the construction and arrangement of the' parts can be made without departing from our invention. The man ner of mounting the lubricator in place for use may be changed, the mechanism for 1 opening and closing the valve may be varied and other changes may be made within the scope of'the appended claims. We claim v 1. A lubricator comprising a casing having a discharge chamber, a drop chamber, and a pressure chamber, passages, connect-. ing the pressure chamber I 'th-the discharge and the drop chambers, eans for closing said passages, said means being arranged to close the passage connecting one of said chambers with the pressure chamber when the other-passage is open, and means operated from the engine lay shaft for ac-Jr tuating the passage ,closing means to open the passage between and connect the pressure and discharge chambers.

2. Alubricator comprisinga casing having a discharge chamber, a drop chamber, and a pressure chamber, passages connecti the pressure chamber with the discharge and the drop chambers, means for closing said passages, said means being arranged to close the passage connect-ing the drop and pressure chambers when the passage between the pressure and discharge chambers is open, and means operated from the. engine lay shaft for actuating the passage closing means to open the passage between and connect the pressure and discharge chambers.

'A lubricator comprising a casing having a discharge chamber, a drop chamber, and a pressure chamber, passages connecting the pressure chamber with the discharge and thedrop chambers, means for closing said passages, said means being arranged to close the passage connecting the drop and pressure chambers when the passage between the pressure and discharge chambers is closed and mechanical means for actuating the passage closing means to close the passage connecting the drop chamber and pressure chamber.

4. A lubricator comprising a casing having a discharge chamber, a drop chamber,-

and a pressure chamber, passages connecting the pressure chamber with the discharge and the drop chambers, means for closing said passages, said means being arranged to close the passage connecting the drop and pressure chambers when the passage be.- tween the pressure and discharge chambers is open and closed and mechanical means for actuating the passage closing means to close the passage connecting the dro p chamber and pressure chamber.

5. A lubricator comprising a. casing having a drop chamber, a pressure chamber, and a ,discharge chamber, said drop chamber communicating with the discharge chamber through the pressure chamber, inlets to the drop chamber and the pressure chamber,

an outlet leading from the discharge chamber, and means for shutting ofl" communication between the pressure chamber and the drop and discharge chambers, said means being adapted to prevent'passage of fluid pressure from the pressure chamber into the drop chamber.

G. A lubricator comprising a casing hav ing a drop chamber, a pressure chamber, and a discharge chamber, said drop chamber communicating with the discharge chamber through the pressure chamber, inlets to the drop chamber and the pressure chamber, an outletleading from thedischarge chamber, and means for shutting off commun cation between the pressure chamber and the drop and discharge chambers, said means being arranged to prevent passage of fluid pressure from the pressure chamber to the drop chamber, and permit flow of lubricant from the drop chamber to the pressure chamber.

7. A lubricator comprising a casing having-a discharge chamber, a drop chamber, and a pressure chamber, passages connectin the pressure chamber with the discharge and the drop chambers, and a valve for closing said passages, said valve being'arranged to close the passage connecting the drop and pressure chambers when the passage be tween the pressure and discharge chambers is open, and means whereby the valve is intermittently actuated to open said'passages, said means including a reach rod operated by the engine lay shaft. 1

S. A lubricator comprising a casing having .a discharge chamber, a drop chamber, and a pressure chamber, passages connecting the pressure chamber-with the discharge and the drop chambers, and a valve for closing said passages, said valve being arranged to close the passage connecting the drop and pressure chambers when the passage between the pressure and discharge chambers is open and closed, and means whereby said valve is intermittently actuated, said means and the discharg In testimony whereof, we have hereunto set our hands.

JAMES HORTON. THOMAS lV. KEEN. lVitnesses:

G. \V. McCartney, One. S'ruvnns.

Copies of this patent may be obtained for live cents each, by addressing the Commissioner of Patents, Washington, D. C. 

